CEO Yoon was a ray of light to Eun Yong, who had been living his life in darkness. She and her daughter Joon-gyeong were his second family to him. Eun has doubts about Yoons death when he realizes that something isnt right. CEO Yoon was a ray of light to Eun Yong, who had been living his life in darkness. She and her daughter Joon-gyeong were his second family to him. Eun has doubts about Yoons death when he realizes that something isnt right.